387658960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:633

約数の個数: 120

約数和(自身を含む): 996224184

約数和(自身を除く): 608565224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 169, 208, 212, 260, 265, 338, 424, 520, 530, 541, 676, 689, 845, 848, 1040, 1060, 1082, 1352, 1378, 1690, 2120, 2164, 2704, 2705, 2756, 3380, 3445, 4240, 4328, 5410, 5512, 6760, 6890, 7033, 8656, 8957, 10820, 11024, 13520, 13780, 14066, 17914, 21640, 27560, 28132, 28673, 35165, 35828, 43280, 44785, 55120, 56264, 57346, 70330, 71656, 89570, 91429, 112528, 114692, 140660, 143312, 143365, 179140, 182858, 229384, 281320, 286730, 358280, 365716, 372749, 457145, 458768, 562640, 573460, 716560, 731432, 745498, 914290, 1146920, 1462864, 1490996, 1828580, 1863745, 2293840, 2981992, 3657160, 3727490, 4845737, 5963984, 7314320, 7454980, 9691474, 14909960, 19382948, 24228685, 29819920, 38765896, 48457370, 77531792, 96914740, 193829480, 387658960]

約数ペア:

[(1, 387658960), (2, 193829480), (4, 96914740), (5, 77531792), (8, 48457370), (10, 38765896), (13, 29819920), (16, 24228685), (20, 19382948), (26, 14909960), (40, 9691474), (52, 7454980), (53, 7314320), (65, 5963984), (80, 4845737), (104, 3727490), (106, 3657160), (130, 2981992), (169, 2293840), (208, 1863745), (212, 1828580), (260, 1490996), (265, 1462864), (338, 1146920), (424, 914290), (520, 745498), (530, 731432), (541, 716560), (676, 573460), (689, 562640), (845, 458768), (848, 457145), (1040, 372749), (1060, 365716), (1082, 358280), (1352, 286730), (1378, 281320), (1690, 229384), (2120, 182858), (2164, 179140), (2704, 143365), (2705, 143312), (2756, 140660), (3380, 114692), (3445, 112528), (4240, 91429), (4328, 89570), (5410, 71656), (5512, 70330), (6760, 57346), (6890, 56264), (7033, 55120), (8656, 44785), (8957, 43280), (10820, 35828), (11024, 35165), (13520, 28673), (13780, 28132), (14066, 27560), (17914, 21640)]